| 摘要 |
PURPOSE: A small and lightweight linear power generation system with a 2-stroke free-piston engine is provided to improve power generation efficiency by increasing resonant frequency and supporting a magnet with a compression coil spring. CONSTITUTION: A small and lightweight linear power generation system(100) with a 2-stroke free-piston engine comprises a single cylinder(120), a frame(160), an outer stator(171), an inner stator(173), a mover(181), a magnet(186), a plurality of resonance springs(190), a piston(130), a suction passage(143), and an ejection port(125). The frame is formed on one end of the cylinder. The outer stator is fixed to the inside of the frame, and the inner stator is fixed to the inside of the frame with being separated from the outer stator. The mover linearly reciprocates between the inner and outer stators. The magnet forms magnetic force between the inner and outer stators. The resonance springs support the mover, and form the resonant motion of the mover. The piston slides by interlocking with a reciprocating motion, and compresses fuel and air in a combustion chamber(123). The suction passage connects a suction chamber(121) to the combustion chamber. The ejection port discharges the fuel and air burned in the combustion chamber.
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